something like; things like; someone like; the likes of
Often used with a scornful or dismissive tone, belittling the following noun or implying it is not worth much. Functions as a particle or adverb.
Don't bother with the likes of him.
I don't need clothes like that.
お金なんか、どうでもいい。
Money or whatever, I don't care.
I don't want to do stuff like studying.
I'm not going to lose to a guy like him.
I don't worry about failures like that.
There's no way I could do something like cooking.
なんて shares なんか's casual, belittling use but can also express surprise or strong emotion, whereas なんか is more purely dismissive.
なんか is a very casual spoken filler that can vaguely point to something or soften a statement, while 何だか more specifically conveys an intuitive, unexplainable feeling.
とか is used for casually listing examples without necessarily belittling them, while なんか usually carries a dismissive or lowering-in-value nuance.
Derived from など (nado) with a sound change and casual contraction, gaining a dismissive nuance.